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WO2024243519A3 - Systems and methods to remove waste contaminants from ore concentrates - Google Patents

Systems and methods to remove waste contaminants from ore concentrates Download PDF

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Publication number
WO2024243519A3
WO2024243519A3 PCT/US2024/031014 US2024031014W WO2024243519A3 WO 2024243519 A3 WO2024243519 A3 WO 2024243519A3 US 2024031014 W US2024031014 W US 2024031014W WO 2024243519 A3 WO2024243519 A3 WO 2024243519A3
Authority
WO
WIPO (PCT)
Prior art keywords
metal
chemical
concentrates
oxidizers
quality
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2024/031014
Other languages
French (fr)
Other versions
WO2024243519A2 (en
Inventor
Alan West
Scott Banta
Charles Kim
Brian Christopher DONOVAN
Jeffrey P. FITTS
Curtis SIRKOCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Columbia University in the City of New York
Original Assignee
Columbia University in the City of New York
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Columbia University in the City of New York filed Critical Columbia University in the City of New York
Publication of WO2024243519A2 publication Critical patent/WO2024243519A2/en
Publication of WO2024243519A3 publication Critical patent/WO2024243519A3/en
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/043—Sulfurated acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Enriched metal concentrates and metal products are produced at standard temperature and pressure via sequential treatment of metal concentrates with chemical reducers such as vanadium (V(II)) and chromium (Cr(II)) and chemical oxidizers (Ce(IV)). Naturally occurring ores such as pentlandite, pyrrhotite, chalcopyrite, etc. include concentrations of iron and sulfur that are preferentially leached via reaction with the chemical reducers. The resulting products are enriched for target metals, such as nickel, and can be further reacted with chemical oxidizers to recover metal leachates. Additional ferric iron ion leaching can isolate high concentrations of copper metal products as well. Lower-quality minerals can be converted to higher-quality concentrates as demand for higher-quality feedstocks increases yet the available of those feedstocks decreases. The chemical reducers and oxidizers can be replenished electrochemically for reuse with additional metal concentrates, decreasing the overall costs and material wastes.
PCT/US2024/031014 2023-05-24 2024-05-24 Systems and methods to remove waste contaminants from ore concentrates Pending WO2024243519A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202363468765P 2023-05-24 2023-05-24
US63/468,765 2023-05-24
US202363539901P 2023-09-22 2023-09-22
US63/539,901 2023-09-22
US202463651367P 2024-05-23 2024-05-23
US63/651,367 2024-05-23

Publications (2)

Publication Number Publication Date
WO2024243519A2 WO2024243519A2 (en) 2024-11-28
WO2024243519A3 true WO2024243519A3 (en) 2025-04-24

Family

ID=93589754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/031014 Pending WO2024243519A2 (en) 2023-05-24 2024-05-24 Systems and methods to remove waste contaminants from ore concentrates

Country Status (1)

Country Link
WO (1) WO2024243519A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2060708A (en) * 1979-08-02 1981-05-07 Nat Res Dev Improvements in or Relating to the Production of Tin
US20100011907A1 (en) * 2006-09-13 2010-01-21 Enpar Technologies Inc. Extraction of metals from sulphide minerals
US8388729B2 (en) * 2007-07-13 2013-03-05 Metaleach Limited Method for ammoniacal leaching
US20180282837A1 (en) * 2015-10-16 2018-10-04 Francisco Javier CÁRDENAS ARBIETO Method for extracting metals from concentrated sulphurated minerals containing metals by direct reduction with regeneration and recycling of the reducing agent, iron, and of the flux, sodium carbonate
US20200407821A1 (en) * 2018-02-28 2020-12-31 Arizona Board Of Regents On Behalf Of The University Of Arizona Efficient copper leaching using alkanesulfonic acids

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2060708A (en) * 1979-08-02 1981-05-07 Nat Res Dev Improvements in or Relating to the Production of Tin
US20100011907A1 (en) * 2006-09-13 2010-01-21 Enpar Technologies Inc. Extraction of metals from sulphide minerals
US8388729B2 (en) * 2007-07-13 2013-03-05 Metaleach Limited Method for ammoniacal leaching
US20180282837A1 (en) * 2015-10-16 2018-10-04 Francisco Javier CÁRDENAS ARBIETO Method for extracting metals from concentrated sulphurated minerals containing metals by direct reduction with regeneration and recycling of the reducing agent, iron, and of the flux, sodium carbonate
US20200407821A1 (en) * 2018-02-28 2020-12-31 Arizona Board Of Regents On Behalf Of The University Of Arizona Efficient copper leaching using alkanesulfonic acids

Also Published As

Publication number Publication date
WO2024243519A2 (en) 2024-11-28

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